Humidifier or air-moistening apparatus.



PATENTED JUNE 13, 1905.

s. W. GRAMER. HUMIDIFIER 0R AIR MOISTBNING APPARATUS.

APPLIUATION FILED JAN. 19, 1905.

$11 rum Wot Patented June 13, 1905. l

PATENT OEEicE.

STUART 1V. ORAMER, OF CHARLOTTE, NORTH CAROLINA.

HUMIDIFIER OR AIR-MOISTENING APPARATUS.

SPECIFICATION forming part of Letters Patent No. 792,402, dated June 13, 1905.

Application filed January 19, 1905. Serial No. 241,830.

To all 1071/0771, it may concern:

Be it known that l, STUART 1V. ORAMER, a citizen of the United States, residing at Charlotte, in the county of Mecklenburg and State of North Carolina, have invented certain new and useful Improvements in Humidifiers or Air-Moistening Apparatus; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.

My invention relates to humidifiers, or means for moistening the air in a room or factory, and has for its object an apparatus which shall maintain any preferred amount or degree of moisture in the air and diffuse such moisture throughout the room and at the same time incidentally therewith cool or warm the air in the room, as may be desired.

The invention consists in certain improvements in construction on the device shown in my Patent No. 778,172, hearing date of December20, 1904, which will be fully disclosed in the following specification and claims.

In the accompanying drawings, which form part of this specification, Figure 1 represents a vertical section, partly in side elevation, of an apparatus embodying my invention; and Fig. 2 represents a vertical section of the spray-head or atomizing device.

Reference being had to the drawings and the designating characters thereon, the numeral 1 indicates the casing, which is vertically movable, so that it can be raised to afford access to the spray-head or atomizing device for the purpose of detaching its cap for the removal of any solids which may lodge in the nozzle thereof and interfere with the proper working of the apparatus.

2 indicates a hood or cover secured to the casing out of contact therewith by vertical stays or rods 3, leaving a free exit-passage 4 for air freighted with aqueous vapor or moisture, and on the under side of the hood is an inverted cone 5 to deflect the air and aqueous vapor outward beyond the humidifier into the surrounding atmosphere. The hood is provided with a book 6 for suspending the casing on an eye 7 in the ceiling 8.

9 9 indicate metallic straps secured to the 5 ceiling 8 for sustaining the weight of the humidifier, and suspended on the transverse or horizontal bar 10 of the straps 9 is a supplemental water-tank 11, secured to said bars 10 by straps 12, having a flange 13 at their upper ends and bolts 14: extending through the flanges.

The tank 11 is provided with a drip-pan 15 to arrest any water which may be discharged by the spray-head while it is being adjusted to bring the nozzles thereof into proper relation to each other to discharge aqueous vapor, and within the tank is a perforated plate 16, which may be of sheet metal or wire-gauze, to prevent fine particles of solid matter floating 5 in the air of the room getting into the water in the tank. The tank is supplied through pipe 17, having valve 18, from a float-controlled tank (not shown) in the usual manner, and the height of the water in tank 11 is indicated by gage 19, and at the lower end of the tank is a discharge-cock 20.

21 indicates a spray-head to deliver or discharge water in the form of highly-attenuated particles or aqueous vapor into the casing 1, is provided with a pipe 22, having a valve 23 to supply air under pressure or steam to the spray-head, and a pipe 2 1, extending down into the tank 11, and the pipe 2-(Lis provided with a wire-gauze or other foraminous 3O strainer 25 at its lower end to prevent as far as possible foreign bodies or solids being drawn through the pipe into the spray-head. The spray-head comprises a body 26, having a water-supply branch 27, to which the pipe 5 24 is connected, a member 28, provided with a detachable nozzle 29 on the outer end thereof, and is connected at its inner end with the fluid-supply pipe 22.

30 indicates an adjustable and detachable 9 cap secured to the body 26 and is provided with a combining-nozzle or discharge-orifice 31, concentric to the end of the nozzle 29, leaving an annular passage 82 between the nozzle 29 and the wall of the orifice 31, through which the water passes from the chamber 33 within the body 26 and is met by the fluid under pressure issuing from the nozzle 29,

eommingled in the outer end of the orifice 31, and delivered or discharged in the form of aqueous vapor.

The quantity of water discharged by the spray-head is regulated by the adjustment of the cap 30, and the supply of fluid, air under pressure, or steam is regulated by valve 23, which fluid serves to raise the water from the tank 11 through pipe 24 on the principle of the operation of an ejector.

The spray-head is supported on the horizontal bar and is provided with a wrench 34:, having a handle projecting beyond the easing 1 for adjusting the cap and its nozzle with reference to the nozzle 29.

35 indicates a stirrup or frame within the casing 1 and secured at its lower ends to the bars 9 9 by the bolts 1%, and secured to the stirrup 35 is a bracket 36, on which is a step 37 to receive the lower end of shaft 38, which is supported at its upper end in a like step 39 on the horizontal bar 40 of the stirrup, which is hing-ed thereto at one end 41 and secured at its opposite end by a thumb-screw 42. On the shaft is secured a motor-wheel 43 and a fan H, the former being propelled by elastic fluid supplied from pipe 22 through branch. pipe 45, valve 46, and nozzle L7 to direct the fluid against the blades of the motor-wheel.

The fan 44: in its revolution creates a current of air through the casing 1 to-eomplete the absorption of the moisture or vapor by the air and delivers a relatively large volume of saturated air.

The water supplied to the humidifier cools or heats the air surrounding it as cold or hot water are supplied thereto and to some extent affects the air throughout the room in which it is diffused.

The detachable nozzles of the sprayhead admit of their ready removal for the pur 'jose of cleaning them and removing any solids which may have been carried up with the water.

The spray-head is adjusted to produce and direct longitudinally through the casing a finely-attenuated aqueous vapor, which during its passage through the casing becomes thoroughly commingled with and evaporated by the air drawn through the casing by the fan-propeller and the elastic fluid exhausted from the motor-wheel, so that there is delivered from the casing a relatively large volume of colorless saturated air. The operation may he therefore said to be one of two-stage forced evaporation.

Having thus fully described my invention, what I claim is- 1. In a humidifier, a casing, a shaft provided with a motor-wheel and a fan-propeller, a branch pipe for supplying elastic fluid to the motor-wheel, an independent spray-head, a li(,1uidsupply pipe for the spray-head, and a pipe for supplying elastic fluid under pressure to the spray-head.

2. In a humidifier, a casing, a frame within the casing, a shaft supported on said frame, a motor-wheel, and afan-propeller on said shaft, a branch pipe for supplying elastic fluid under pressure to the motor-wheel, an independent spray-head provided with concentric and detachable nozzles, a liquid-supply pipe for the spray-head, and a pipe for supplying elastic fluid under pressure to the spray-head.

In testimony whereof I afiix my signature in presence of two witnesses.

STUART IV. GRAMER.

I/Vitnesses:

L. C. BULLINGTON, C. L. MOLEAN. 

